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Product Information

Product Details
Part No. SP-420
Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)
The Spark Plug: Quick Starts & Enhanced Fuel Economy by Motorcraft is the same high-quality part installed when your engine first rolled off the assembly line, ensuring a perfect fit and reliable performance. Designed and recommended by Ford Motor Company, these spark plugs are engineered to deliver quick starts, improved fuel economy, and smooth acceleration, making them an essential component for maintaining your vehicle's peak performance. Featuring a tapered seat type, they provide a secure and precise fit, reducing the risk of leaks or misfires. Built to meet the highest standards of durability and efficiency, these spark plugs offer exceptional value by enhancing your engine's performance and longevity. Whether you're replacing worn-out plugs or performing routine maintenance, trust Motorcraft to keep your vehicle running smoothly.

Product Features:
  • Same part installed when the engine rolled off the assembly line
  • Designed to deliver quick starts, enhanced fuel economy and smooth acceleration
  • Engineered for a secure and precise fit with a tapered seat type, minimizing the risk of leaks or misfires.
  • Built to meet high durability standards, ensuring long-lasting performance and reliability.
  • Enhances engine longevity by maintaining optimal performance and efficiency.
Specifications
Center Electrode Core Material:
Copper

Electrode Core Material:
Inconel

Electrode Tip Material:
Copper core

Hex Size:
13/16

Insulator Type:
Standard

Length:
3.116

Manufacturer Heat Range:
6

Reach:
.468 in

Resistor:
Yes

Rib Configuration:
Standard

Seat Type:
Tapered

Side Electrode:
Yes

Terminal Top Type:
Fixed

Thread Diameter:
18 mm

Tip Configuration:
Copper core
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